27453020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1249}}^1$

素因数の和:1422

約数の個数: 48

約数和(自身を含む): 66360000

約数和(自身を除く): 38906980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1249, 1570, 2198, 2498, 3140, 4396, 4996, 5495, 6245, 8743, 10990, 12490, 17486, 21980, 24980, 34972, 43715, 87430, 174860, 196093, 392186, 784372, 980465, 1372651, 1960930, 2745302, 3921860, 5490604, 6863255, 13726510, 27453020]

約数ペア:

[(1, 27453020), (2, 13726510), (4, 6863255), (5, 5490604), (7, 3921860), (10, 2745302), (14, 1960930), (20, 1372651), (28, 980465), (35, 784372), (70, 392186), (140, 196093), (157, 174860), (314, 87430), (628, 43715), (785, 34972), (1099, 24980), (1249, 21980), (1570, 17486), (2198, 12490), (2498, 10990), (3140, 8743), (4396, 6245), (4996, 5495)]